diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index 7a1fbdb7f8..c460ee0d5e 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -402,29 +402,32 @@ const getIterationItemType = ({
   beforeNodesOutputVars: NodeOutPutVar[]
 }): VarType => {
   const outputVarNodeId = valueSelector[0]
-  const targetVar = beforeNodesOutputVars.find(v => v.nodeId === outputVarNodeId)
+  const isSystem = isSystemVar(valueSelector)
+
+  const targetVar = isSystem ? beforeNodesOutputVars.find(v => v.isStartNode) : beforeNodesOutputVars.find(v => v.nodeId === outputVarNodeId)
   if (!targetVar)
     return VarType.string
 
   let arrayType: VarType = VarType.string
 
-  const isSystem = isSystemVar(valueSelector)
   let curr: any = targetVar.vars
+  if (isSystem) {
+    arrayType = curr.find((v: any) => v.variable === (valueSelector).join('.'))?.type
+  }
+  else {
+    (valueSelector).slice(1).forEach((key, i) => {
+      const isLast = i === valueSelector.length - 2
+      curr = curr?.find((v: any) => v.variable === key)
+      if (isLast) {
+        arrayType = curr?.type
+      }
+      else {
+        if (curr?.type === VarType.object || curr?.type === VarType.file)
+          curr = curr.children
+      }
+    })
+  }
 
-  if (isSystem)
-    return curr.find((v: any) => v.variable === (valueSelector).join('.'))?.type;
-
-  (valueSelector).slice(1).forEach((key, i) => {
-    const isLast = i === valueSelector.length - 2
-    curr = curr?.find((v: any) => v.variable === key)
-    if (isLast) {
-      arrayType = curr?.type
-    }
-    else {
-      if (curr?.type === VarType.object || curr?.type === VarType.file)
-        curr = curr.children
-    }
-  })
   switch (arrayType as VarType) {
     case VarType.arrayString:
       return VarType.string
@@ -435,7 +438,7 @@ const getIterationItemType = ({
     case VarType.array:
       return VarType.any
     case VarType.arrayFile:
-      return VarType.object
+      return VarType.file
     default:
       return VarType.string
   }